Airfree believes that its products must be tested in real-life situations to better represent the daily lives of its users. Thus, Airfree appliances are tested in hospitals, hotels and homes, not in controlled chambers in laboratories.
 
  
   | 1 The place to be analyzed is chosen |  | 
 
 
 
  
   | 2 Weekly measurements of air quality on site are performed without Airfree |  | 
 
 
 
  
   | 3 Airfree Air Purifier is Installed |  | 
 
 
 
  
   | 4 New weekly measurements are made, allowing comparison of air contamination before and after installation of the appliance |